Question 1

What devices are compatible with BikeLab FIT Analyzer?

Accepted Answer

Garmin, Wahoo, Coros, Polar, Suunto and Bryton. Also works with FIT files exported from Strava.

Question 2

Is my FIT file uploaded to any server?

Accepted Answer

No. All processing happens locally in your browser. The FIT file never leaves your device.

Question 3

What is the Variability Index in cycling?

Accepted Answer

The Variability Index (VI) is the ratio of Normalized Power (NP) to Average Power (AP). A VI below 1.05 indicates very steady pacing.

Question 4

What is the Climbing Stability Index (IES)?

Accepted Answer

The IES combines the coefficient of variation of speed and cadence in climbing segments with grade above 3%.